PacePack
Runners striding in step on a track at dusk

Run together.
Stay in sync.

One interval timer for the whole group. The host starts the session; every phone counts down and calls out every interval at the same moment.

Coming soon to the App Store

Android is coming soon.

Warm up

0:06

Norwegian 4×4 Host and two runners, same second

One phone starts it. Every phone follows.

Host a session and the group joins from their own phones. Press start and every clock starts on the same second. Skip, pause or restart a phase and it happens on every phone at once.

  • CodeRead it out at the start line.
  • QRScan it from the host's lobby.
  • LinkDrop it in the group chat.
A coach holding up a phone at the track at sunset The host's lobby with the invite code, QR code and share link

Nobody has to shout “go”.

Voice cues call every phase and its effort in your ears. They keep playing with the screen locked and over your music. Pick a female or a male voice, or plain beeps.

  1. Interval one. Hard.
  2. Recovery.
  3. Interval two. Hard.
A runner with earbuds in, running at nightfall The workout screen counting down a work interval

Start from a classic. Or build your own.

The library has sessions like the Norwegian 4×4, 30/30s and Tabata. The builder sets up your own warm-up, intervals, recovery and cool-down, and saves it for next time.

Browse the workouts

Free

  • Quick sessions
  • Up to 3 runners, host included
  • Your last 10 workouts

Pro

  • The program library
  • The builder and saved programs
  • Unlimited runners
  • Full history and stats

7-day free trial on the yearly plan.

A program from the library with its phases, ready to host Building a custom interval program

Questions from the start line.

What is PacePack?
A group interval timer for iPhone. One person hosts the session and every runner's phone counts down the same intervals and calls them out at the same second. It is built for running clubs, coaches and friends who train together on the track, the road or the trail.
How do runners join a session?
Each runner opens PacePack on their own iPhone and joins with the host's code, by scanning the QR code in the host's lobby, or from an invite link shared in the group chat.
Does it work with the screen locked and music playing?
Yes. The voice calls every phase and its effort with the screen locked and over your music. Choose a female or a male voice, or plain beeps.
Which interval workouts can we run?
Quick sessions of work and recovery with a warm-up and cool-down, classics like the Norwegian 4×4, Tabata and 10-20-30 from the program library, or your own sessions from the builder. See all the interval workouts.
Is PacePack free?
Yes. Free covers Quick sessions for up to three runners, host included, and your last 10 workouts. Pro adds the program library, the builder and saved programs, unlimited runners and full history and stats, with a 7-day free trial on the yearly plan.
Is PacePack on Android?
PacePack is on iPhone first. Android is coming soon.
Floodlights on over a running track at nightfall, a runner in the distance

See you at the track.

Get the group together, pick a session and press start.

Coming soon to the App Store

Android is coming soon.